The Aprilaire 400 Model is a bypass humidifier and comes with a wall mounted Automatic Digital Control which displays the relative humidity levels, operation status and any service needs. This bypass unit uses 100% of the water, and the evaporative technology eliminates the need for a drain. Adds up to 17 gallons of moisture per day into the air.
- Can be installed on the supply or return plenum
- Humidifier Control Installation Instructions
- Saddle valve
- Humidifier Installation Template
- Digital Control provides accurate information and automatically delivers proper humidity levels continually; regardless of the temperature or conditions.
- House Square Footage Serviced:
- Loose House: 1000
- Average House: 2000
- Tight House: 4000
- Evaporative Rate: 0.70 gph
- Feed Rate: 3 gph
- U.L Listed